题解 | #返回顾客名称和相关订单号#
返回顾客名称和相关订单号
https://www.nowcoder.com/practice/7e7bc361db6a4cb6aa35eefccfe75364
select cust_name,order_num from Customers a,Orders b where a.cust_id=b.cust_id order by cust_name
--第二种方法,根据题目提示,内联select t1.cust_name,t2.order_num from Customers t1 inner join Orders t2 on t1.cust_id=t2.cust_idorder by t1.cust_name asc 我写出了第二种,但是第一种直接关联须掌握,可以类比 from 两个表, where = 等同于inner join